1 /*
2  * Copyright (c) 2021 Loongson Technology Corporation Limited
3  * Contributed by Hao Chen <chenhao@loongson.cn>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "libavutil/loongarch/cpu.h"
23 #include "libavutil/attributes.h"
24 #include "libavcodec/vp9dsp.h"
25 #include "vp9dsp_loongarch.h"
26 
27 #define init_subpel1(idx1, idx2, idxh, idxv, sz, dir, type)  \
28     dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][idxh][idxv] =   \
29         ff_##type##_8tap_smooth_##sz##dir##_lsx;             \
30     dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][idxh][idxv] =   \
31         ff_##type##_8tap_regular_##sz##dir##_lsx;            \
32     dsp->mc[idx1][FILTER_8TAP_SHARP  ][idx2][idxh][idxv] =   \
33         ff_##type##_8tap_sharp_##sz##dir##_lsx;
34 
35 #define init_subpel2(idx, idxh, idxv, dir, type)      \
36     init_subpel1(0, idx, idxh, idxv, 64, dir, type);  \
37     init_subpel1(1, idx, idxh, idxv, 32, dir, type);  \
38     init_subpel1(2, idx, idxh, idxv, 16, dir, type);  \
39     init_subpel1(3, idx, idxh, idxv,  8, dir, type);  \
40     init_subpel1(4, idx, idxh, idxv,  4, dir, type);
41 
42 #define init_subpel3(idx, type)         \
43     init_subpel2(idx, 1, 0, h, type);   \
44     init_subpel2(idx, 0, 1, v, type);   \
45     init_subpel2(idx, 1, 1, hv, type);
46 
47 #define init_fpel(idx1, idx2, sz, type)                                    \
48     dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][0][0] = ff_##type##sz##_lsx;  \
49     dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][0][0] = ff_##type##sz##_lsx;  \
50     dsp->mc[idx1][FILTER_8TAP_SHARP  ][idx2][0][0] = ff_##type##sz##_lsx;  \
51     dsp->mc[idx1][FILTER_BILINEAR    ][idx2][0][0] = ff_##type##sz##_lsx;
52 
53 #define init_copy(idx, sz)                    \
54     init_fpel(idx, 0, sz, copy);              \
55     init_fpel(idx, 1, sz, avg);
56 
57 #define init_intra_pred1_lsx(tx, sz)                            \
58     dsp->intra_pred[tx][VERT_PRED]    = ff_vert_##sz##_lsx;     \
59     dsp->intra_pred[tx][HOR_PRED]     = ff_hor_##sz##_lsx;      \
60     dsp->intra_pred[tx][DC_PRED]      = ff_dc_##sz##_lsx;       \
61     dsp->intra_pred[tx][LEFT_DC_PRED] = ff_dc_left_##sz##_lsx;  \
62     dsp->intra_pred[tx][TOP_DC_PRED]  = ff_dc_top_##sz##_lsx;   \
63     dsp->intra_pred[tx][DC_128_PRED]  = ff_dc_128_##sz##_lsx;   \
64     dsp->intra_pred[tx][DC_127_PRED]  = ff_dc_127_##sz##_lsx;   \
65     dsp->intra_pred[tx][DC_129_PRED]  = ff_dc_129_##sz##_lsx;   \
66     dsp->intra_pred[tx][TM_VP8_PRED]  = ff_tm_##sz##_lsx;       \
67 
68 #define init_intra_pred2_lsx(tx, sz)                            \
69     dsp->intra_pred[tx][DC_PRED]      = ff_dc_##sz##_lsx;       \
70     dsp->intra_pred[tx][LEFT_DC_PRED] = ff_dc_left_##sz##_lsx;  \
71     dsp->intra_pred[tx][TOP_DC_PRED]  = ff_dc_top_##sz##_lsx;   \
72     dsp->intra_pred[tx][TM_VP8_PRED]  = ff_tm_##sz##_lsx;       \
73 
74 #define init_idct(tx, nm)                        \
75     dsp->itxfm_add[tx][DCT_DCT]   =              \
76     dsp->itxfm_add[tx][ADST_DCT]  =              \
77     dsp->itxfm_add[tx][DCT_ADST]  =              \
78     dsp->itxfm_add[tx][ADST_ADST] = nm##_add_lsx;
79 
80 #define init_itxfm(tx, sz)                                     \
81     dsp->itxfm_add[tx][DCT_DCT] = ff_idct_idct_##sz##_add_lsx;
82 
ff_vp9dsp_init_loongarch(VP9DSPContext *dsp, int bpp)83 av_cold void ff_vp9dsp_init_loongarch(VP9DSPContext *dsp, int bpp)
84 {
85     int cpu_flags = av_get_cpu_flags();
86     if (have_lsx(cpu_flags))
87         if (bpp == 8) {
88             init_subpel3(0, put);
89             init_subpel3(1, avg);
90             init_copy(0, 64);
91             init_copy(1, 32);
92             init_copy(2, 16);
93             init_copy(3, 8);
94             init_intra_pred1_lsx(TX_16X16, 16x16);
95             init_intra_pred1_lsx(TX_32X32, 32x32);
96             init_intra_pred2_lsx(TX_4X4, 4x4);
97             init_intra_pred2_lsx(TX_8X8, 8x8);
98             init_itxfm(TX_8X8, 8x8);
99             init_itxfm(TX_16X16, 16x16);
100             init_idct(TX_32X32, ff_idct_idct_32x32);
101             dsp->loop_filter_8[0][0] = ff_loop_filter_h_4_8_lsx;
102             dsp->loop_filter_8[0][1] = ff_loop_filter_v_4_8_lsx;
103             dsp->loop_filter_8[1][0] = ff_loop_filter_h_8_8_lsx;
104             dsp->loop_filter_8[1][1] = ff_loop_filter_v_8_8_lsx;
105             dsp->loop_filter_8[2][0] = ff_loop_filter_h_16_8_lsx;
106             dsp->loop_filter_8[2][1] = ff_loop_filter_v_16_8_lsx;
107 
108             dsp->loop_filter_16[0] = ff_loop_filter_h_16_16_lsx;
109             dsp->loop_filter_16[1] = ff_loop_filter_v_16_16_lsx;
110 
111             dsp->loop_filter_mix2[0][0][0] = ff_loop_filter_h_44_16_lsx;
112             dsp->loop_filter_mix2[0][0][1] = ff_loop_filter_v_44_16_lsx;
113             dsp->loop_filter_mix2[0][1][0] = ff_loop_filter_h_48_16_lsx;
114             dsp->loop_filter_mix2[0][1][1] = ff_loop_filter_v_48_16_lsx;
115             dsp->loop_filter_mix2[1][0][0] = ff_loop_filter_h_84_16_lsx;
116             dsp->loop_filter_mix2[1][0][1] = ff_loop_filter_v_84_16_lsx;
117             dsp->loop_filter_mix2[1][1][0] = ff_loop_filter_h_88_16_lsx;
118             dsp->loop_filter_mix2[1][1][1] = ff_loop_filter_v_88_16_lsx;
119         }
120 }
121 
122 #undef init_subpel1
123 #undef init_subpel2
124 #undef init_subpel3
125 #undef init_copy
126 #undef init_fpel
127 #undef init_intra_pred1_lsx
128 #undef init_intra_pred2_lsx
129 #undef init_idct
130 #undef init_itxfm
131